An astronomical unit (AU) is
A) any very large unit, such as a light-year.
B) the average distance between Earth and the Sun.
C) the current distance between Earth and the Sun.
D) the average distance between any planet and the Sun.
B
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The pressure of a gas depends on the temperature and density of the gas
Indicate whether the statement is true or false
A horizontal force of magnitude 6.5 N is exerted tangentially on a Frisbee of mass 32 grams and radius 14.3 cm. Assuming the Frisbee, a uniform disk, is originally at rest and the force is exerted for 0.08 s, determine the angular velocity of rotation about the central axis when the Frisbee is released.
What will be an ideal response?
When the standing wave pattern in a pipe is NANA, the pipe has which of the following set of properties? (N stands for node, A for antinode.)
a. It is open at both ends. b. It is closed at both ends. c. It is open at one end and closed at the other end. d. Any of the above could be true.
Photosynthesis produces ______________ in the atmosphere
a. carbon dioxide b. oxygen c. argon d. carbon monoxide